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. 2016 Jan;39(1):54-9.
doi: 10.1038/hr.2015.98. Epub 2015 Sep 3.

Poor sleep quality associated with high risk of hypertension and elevated blood pressure in China: results from a large population-based study

Ru-Qing Liu  1 , Zhengmin Qian  2 , Edwin Trevathan  2 , Jen-Jen Chang  2 , Alan Zelicoff  3 , Yuan-Tao Hao  4 , Shao Lin  5 , Guang-Hui Dong  1
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Poor sleep quality associated with high risk of hypertension and elevated blood pressure in China: results from a large population-based study

Ru-Qing Liu et al. Hypertens Res. 2016 Jan.

Abstract

Little information is available concerning the association between sleep quality and blood pressure (BP) in Chinese individuals. This study evaluated the association between sleep quality, as determined by the Pittsburgh sleep quality index (PSQI), and hypertension in a rural Chinese population. Using a multistage cluster and random sampling method, a representative sample of 9404 adults aged 20-93 years in northeastern China was selected from 2012 to 2013. Sleep quality was assessed by PSQI, and trained observers measured BP. A sleep disorder (SD) was diagnosed for any participant with a score of 6 or greater. Overall, 1218 male participants (25.53%) and 1261 female participants (27.22%) were defined as having SDs. Compared with the normal subjects, participants with hypertension had higher global PSQI scores and subscores in all elements. The odds ratios (ORs) of hypertension, systolic hypertension and diastolic hypertension among participants with SDs were 2.38 (95% confidence interval (CI): 2.13-2.65), 2.52 (95% CI: 2.26-2.80) and 1.93 (95% CI: 1.74-2.14) in contrast to the reference group, respectively. The risk for hypertension in poor sleepers with subscores over 0 in all of the elements was significantly increased, with ORs ranging from 1.16 (95% CI: 1.04-2.30) to 3.88 (95% CI: 1.24-12.16). The global PSQI score and its components were associated with hypertension and high BP.

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